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Criminal Investigations Bureau
Criminal Investigations Unit
The Criminal Investigations Unit is dedicated to providing the highest quality of service to the citizens of West Allis by utilizing tactical crime analysis, innovative technology, creative investigative techniques, and partnerships with citizens, businesses, and other law enforcement agencies to effectively and efficiently investigate criminal activity relating to our community. Although our investigations originate in West Allis, they may extend well beyond our geographic boarders. This requires Detectives to conduct follow up investigations in neighboring jurisdictions, which is why our professional partnerships are of extreme value and importance.
Criminal Investigations Unit

Sensitive Crimes Unit
The Sensitive Crimes Unit investigates crimes including, but not limited to, sexual assault, child neglect, physical abuse of a child, elder abuse, CHIPS cases, juvenile death, juvenile crimes, and runaways. Detectives work closely with the Bureau of Milwaukee Child Welfare and the Child Protection Center at Children’s Hospital and many other agencies.
Sensitive Crimes Unit

Special Investigations Unit
The Special Investigations Unit is responsible for the investigation of vice-related crime including but not limited to offenses surrounding illegal drugs / narcotics, gang-related offenses, weapons, prostitution, gambling, and pharmaceutical diversion. The SIU focuses on these offenses at a local level. The SIU also works in conjunction with other local, state and federal agencies in the Milwaukee area to address these offenses regionally, which directly affect our community.
Special Investigations Unit

Police Department
11301 W. Lincoln Ave.
West Allis, WI 53227
Emergency phone: 9-1-1
Non-emergency phone: (414) 302-8000
Fax: (414) 302-8099
[Map & Directions >>]

Police Chief 
Patrick Mitchell
[Staff Directory >>]

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